on the fiscal cliff issue. well also understand that the vice president has just arrived on capitol hill to speak to senators who are waiting out this new year's eve night there, eating pizza on new year's eve, which will be one for the record books. nbc's miviqueira is on capitol hill. the senate carriage entrance. he is going to speak. he is now speaking to a closed door meeting of the senate democratic caucus. what is his mission here? essentially sell the deal that he has struck largely between these two men, the vice president joe biden of course in capacity the president of the senate and mitch mcconnell. they have been on the phone working things out after an impasse breakdown friday night after harry reid and mitch mcconnell essentially broke off negotiations. mcconnell at this point reached out to biden, and the upshot is what you've been reporting. the emerging details of this deal that have been trickling out all day. now, if joe biden is able to get democratic senators to sign on or at least, miliss